Home / 126,048.96-189,146.94-47,218.56

Finding the Fourth Proportional to 126,048.96, 189,146.94 and 47,218.56

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Solution

The fourth proportional to 126,048.96, 189,146.94 and 47,218.56 is: 70,855.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,048.96 : 189,146.94 = 47,218.56 : x
  2. Step 2: Convert to fraction form
    126,048.96/189,146.94 = 47,218.56/x
  3. Step 3: Cross multiply
    126,048.96x = 189,146.94 × 47,218.56
  4. Step 4: Simplify right side
    126,048.96x = 8,931,246,135.21
  5. Step 5: Solve for x
    x = 8,931,246,135.21/126,048.96
  6. Step 6: Final answer
    x = 70,855.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.